High precision AT type thermistor
■ FEATURES
· High exchangeability
· Superior solderability and resistance to soldering heat shock
· The wide operation temperature ranges to +125℃ from –40℃
· Moisture resistant
· Low cost and small size
· Excellent quality and high stability by mass production
· Environment friendliness.
■ APPLICATIONS
· Temperature sensor ,mobile cell, charger , electronic clinical thermometer, electronic perpetual calendar,
and so on.
■ PART NUMBERING
FH - HWF ××× × ×××× × ×
① ② ③ ④ ⑤ ⑥ ⑦
① Fenghua Thermistor Components branch company
② AT type thermistor of NTC code
③ Rated zero-power resistance(R25) unit:Ω
The first two are significant figure of resistance and the third one expresses number of following zeros
④ Tolerance of R25(%)
Code F G H J X
Tolerance of R25 ±1.0 ±2.0 ±3.0 ±5.0 Specific
tolerance
⑤ B value Code
⑥ Tolerance of B value(%)
Code E F G H J X
Tolerance of
B
±0.5 ±1.0 ±2.0 ±3.0 ±5.0 Specific
tolerance
⑦ B value Temperature Code
Code A B C D E F G H M N
T1/T225/50 25/ 85 0/25 0/50 0/100 0/80 25/100 -18/25 -20/25 5/25
■ APPEARACE AND DIMENSIONS
Shape parameter